Pad-free knife rest device of carton unpacking machine of tobacco logistics sorting equipment

Abstract

The utility model relates to the technical field of tobacco logistics automation equipment, in particular to a cushion-free knife rest device of a box unpacking machine of tobacco logistics sorting equipment, which comprises a lower knife rest, a blade, an upper knife rest, a bump and a fixing bolt, a mounting groove is arranged on the upper portion of the lower knife rest, the blade is arranged on the mounting groove, and the upper knife rest is arranged at the top of the lower knife rest. A protruding block is fixedly connected to the side, close to the lower tool rest, of the upper tool rest and connected with the mounting groove in a clamped mode, two threaded holes are formed in each of the lower tool rest and the upper tool rest, and fixing bolts are arranged in the threaded holes of the upper tool rest in a threaded mode. When the blades are replaced, the fixing bolts are unscrewed firstly, the upper tool rest is detached, after old blades are taken out, new blade limiting holes are aligned with the push rods to be embedded into the mounting grooves, the screws are rotated to be in linkage with the sliding blocks to push the rods to adjust the extension lengths of the blades so as to adapt to packaging boxes with different thicknesses, and rigid fixing is achieved through interference fit of the protruding blocks and the mounting grooves and fastening of the bolts finally. A traditional gasket structure is replaced, the assembling efficiency is improved, and the falling risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco logistics automation equipment technical field especially, relates to a kind of tobacco logistics sorting equipment unpacking machine's free pad knife rest device. BACKGROUND

[0002] In tobacco processing process, for the storage and transportation of tobacco leaf more convenient, usually need to use unpacking machine to the whole tobacco to be unpacked, then the cigarette strip is sorted, and code is sprayed, realizes cigarette code to strip requirement, so that subsequent storage and sale.

[0003] When tobacco box is on unpacking machine, it is transported by conveying belt, when the seal of tobacco box passes through unpacking machine knife rest, the blade on knife rest cuts the adhesive tape or seal material on tobacco box, due to high frequency cutting operation, blade is seriously worn, and adhesive residue is easily attached to blade surface, not only affect cutting efficiency, also increase equipment failure rate, therefore, it needs to replace blade regularly, however, the existing unpacking machine knife rest uses fixed pad knife structure, blade is installed on base with step, is fixed by top pad piece, this structure leads to replacement blade, pad piece and blade are disassembled and assembled, and pad piece is easily detached due to equipment vibration during replacement process, lead to rescue time extension, seriously affect cigarette strip sorting efficiency.

[0004] Therefore, it needs to design a kind of unpacking machine's free pad knife rest device of tobacco logistics sorting equipment. UTILITY MODEL CONTENTS

[0005] In order to overcome the unpacking machine knife rest using fixed pad knife structure, blade is installed on base with step, is fixed by top pad piece, this structure leads to replacement blade, pad piece and blade are disassembled and assembled, and pad piece is easily detached due to equipment vibration during replacement process, lead to rescue time extension, seriously affect cigarette strip sorting efficiency, the utility model provides a kind of unpacking machine's free pad knife rest device of tobacco logistics sorting equipment.

[0006] A kind of unpacking machine's free pad knife rest device of tobacco logistics sorting equipment, including lower knife rest, blade, upper knife rest, lug and fixed bolt, lower knife rest upper part is equipped with installation slot, blade is arranged on installation slot, lower knife rest top is provided with upper knife rest, upper knife rest is fixedly connected with lug on the side close to lower knife rest, lug is connected with installation slot, two threaded holes are formed in lower knife rest and upper knife rest, the threaded hole in upper knife rest is screw-threaded with fixed bolt, fixed bolt is screw-threaded with the threaded hole adjacent on lower knife rest, further including sliding block, screw rod and push rod, limit hole is formed in blade, sliding slot is formed in lower knife rest, sliding slot is below installation slot, sliding block is slidably arranged in sliding slot, push rod is fixedly connected on sliding block, push rod is connected with limit hole, screw rod is rotatably arranged in sliding slot, screw rod is screw-threaded with sliding block.

[0007] Further illustrate, still include first connecting plate, baffle, fixed plate, guide rod and elastic piece, the bottom of lower tool rest is fixedly connected with first connecting plate, the baffle is equipped with containing groove, lower tool rest and upper tool rest slide in the containing groove of baffle, the side of baffle is fixedly connected with fixed plate, the side of first connecting plate is fixedly connected with two guide rods, guide rod slides on fixed plate, two elastic pieces are connected between first connecting plate and fixed plate.

[0008] Further illustrate, still include support frame, lead screw, sliding plate and second connecting plate, baffle both sides are equipped with second connecting plate, two second connecting plates are installed with sliding plate, sliding plate slides in support frame, lead screw is screw thread type in support frame, and lead screw is rotatably connected with sliding plate.

[0009] Further illustrate, still include third connecting plate, support frame both sides are equipped with third connecting plate.

[0010] Further illustrate, the both sides of third connecting plate are equipped with waist type hole.

[0011] Further illustrate, the both sides of support frame inside are provided with protrusions, and the both sides of sliding plate are equipped with clamping groove, and the protrusions on support frame are slidably connected with the clamping groove on sliding plate.

[0012] Further illustrate, the both sides of installation groove top are provided with chamfer with the top of push rod.

[0013] Further illustrate, the end of lead screw away from sliding plate is fixedly connected with hand wheel.

[0014] The beneficial effects of the utility model are: 1, when replacing the blade, first loosen the fixed bolt and disassemble the upper tool rest, after taking out the old blade, the new blade is inserted into the installation groove by aligning the limiting hole with the push rod, the length of the blade is adjusted by rotating the screw rod linkage sliding block push rod, so as to adapt to different thickness packaging boxes, finally, the bolt is fastened to realize rigid fixation, replace the traditional gasket structure, improve the assembly efficiency and reduce the risk of falling off.

[0015] 2, when the blade contacts hard object, the blade drives the backward sliding of lower tool rest, upper tool rest, first connecting plate and guide rod, so that the blade shrinks to the inside of baffle, and the rupture of the blade when impacting foreign matter is avoided. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional sectional structure schematic diagram of lower tool rest, upper tool rest and baffle of the utility model.

[0018] Figure 3The utility model discloses a three-dimensional section structure schematic diagram of fixed bolt, guide rod and fixed plate.

[0019] Figure 4 The utility model discloses an explosion map of lower tool holder, blade and upper tool holder.

[0020] Figure 5 The utility model discloses a three-dimensional section structure schematic diagram of lower tool holder, sliding block and push rod.

[0021] Figure 6 The utility model discloses a three-dimensional section structure schematic diagram of support frame, screw rod and sliding plate.

[0022] The mark in drawing: 1: lower tool holder, 2: installation slot, 3: blade, 4: screw hole, 5: upper tool holder, 501: lug, 6: fixed bolt, 7: sliding slot, 8: sliding block, 9: screw rod, 10: push rod, 11: limit hole, 12: first connecting plate, 13: baffle, 14: fixed plate, 15: guide rod, 16: elastic part, 17: support frame, 18: screw rod, 19: sliding plate, 20: second connecting plate, 21: third connecting plate. DETAILED DESCRIPTION

[0023] The utility model will now be described more fully with reference to the accompanying drawings, in which currently preferred embodiments of the utility model are shown. This utility model may, however, be carried out in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and fully convey the scope of the utility model to the skilled person.

[0024] Example 1: a tobacco logistics sorting equipment unpacking machine's free pad tool holder device, refer to Figures 1-5As shown, including the lower knife holder 1, blade 3, upper knife holder 5, protrusion 501 and fixed bolt 6, the upper part of the lower knife holder 1 is provided with mounting groove 2, the mounting groove 2 is provided with blade 3, the surface of blade 3 is coated with polytetrafluoroethylene or tungsten carbide coating, which can reduce friction loss, the top of the lower knife holder 1 is provided with upper knife holder 5, the bottom of the upper knife holder 5 is fixedly connected with protrusion 501, the protrusion 501 is clamped with mounting groove 2, the lower knife holder 1 and the upper knife holder 5 are both provided with two threaded holes 4, the threaded hole 4 of the upper knife holder 5 is screwed with fixed bolt 6, the fixed bolt 6 is screwed with the adjacent threaded hole 4 of the lower knife holder 1, further comprising sliding block 8, screw rod 9 and push rod 10, the blade 3 is provided with limiting hole 11, the lower knife holder 1 is provided with sliding groove 7, the sliding groove 7 is located below the mounting groove 2, the sliding groove 7 is slidably provided with sliding block 8, the push rod 10 is fixedly connected with the sliding block 8, the push rod 10 is clamped with limiting hole 11, the sliding groove 7 is rotatably provided with screw rod 9, the screw rod 9 is screwed with the sliding block 8, the two sides of the top of the mounting groove 2 and the top of the push rod 10 are both provided with chamfer, when the upper knife holder 5 is pressed into the lower knife holder 1, the resistance of the protrusion 501 can be reduced, when the blade 3 is pressed into, the resistance of the push rod 10 to the blade 3 is reduced, so as to achieve the purpose of convenient assembly.

[0025] When the blade 3 needs to be repaired and replaced, the fixed bolt 6 is rotated by using wrench, the locking of the upper knife holder 5 and the lower knife holder 1 is released, the upper knife holder 5 is vertically extracted upward, the blade 3 mounting groove 2 is exposed, the old blade 3 is taken out, the limiting hole 11 of the new blade 3 is aligned with the push rod 10, the new blade 3 is placed in the mounting groove 2, it is ensured that the blade 3 is completely embedded in the mounting groove 2, then the screw rod 9 is rotated, the screw rod 9 drives the sliding block 8 and the push rod 10 to move forward and backward, the push rod 10 drives the blade 3 to extend to the preset length, so that the blade 3 can cut different thickness of tobacco boxes, the protrusion 501 on the upper knife holder 5 is aligned with the mounting groove 2 on the lower knife holder 1, the lower knife holder 1 is vertically pressed into place, then the fixed bolt 6 is reversely rotated, the blade 3 is rigidly fixed by the interference fit of the protrusion 501 and the mounting groove 2, so as to replace the traditional gasket compression type fixing mode, improve the efficiency of blade 3 assembly and reduce the risk of blade 3.

[0026] Example 2: on the basis of example 1, referring to Figure 2 and Figure 3 as shown, further comprising first connecting plate 12, baffle 13, fixed plate 14, guide rod 15 and elastic member 16, the bottom of the lower knife holder 1 is fixedly connected with the first connecting plate 12, the baffle 13 is provided with accommodating groove, the lower knife holder 1 and the upper knife holder 5 slide in the accommodating groove of the baffle 13, the baffle 13 is fixedly connected with the fixed plate 14 on one side, the first connecting plate 12 is fixedly connected with two guide rods 15 on one side, the guide rods 15 slide on the fixed plate 14, two elastic members 16 are connected between the first connecting plate 12 and the fixed plate 14.

[0027] When the blade 3 contacts the hard object, the hard object extrudes the blade 3 to slide backward, the blade 3 drives the backward sliding of the lower knife holder 1, the upper knife holder 5, the first connecting plate 12 and the guide rod 15, the first connecting plate 12 extrudes the elastic element 16 to deform, so that the blade 3 is retracted to the inside of the baffle 13, avoiding the breakage of the blade 3 when impacting the foreign matter, when the hard object passes the blade 3, the hard object is separated from the blade 3, and the elastic element 16 restores the original state to drive the forward sliding of the lower knife holder 1, the upper knife holder 5, the first connecting plate 12, the guide rod 15 and the reset.

[0028] Referring to Figure 1 and Figure 6 It also includes a support frame 17, a lead screw 18, a sliding plate 19 and a second connecting plate 20, the baffle 13 is provided with the second connecting plate 20 on both sides, the sliding plate 19 is installed between the two second connecting plates 20, the support frame 17 is provided with a protrusion on both sides in the inside, the sliding plate 19 is provided with a clamping groove on both sides, the protrusion on the support frame 17 is in sliding connection with the clamping groove on the sliding plate 19, so as to guide the sliding plate 19 to slide up and down stably, the lead screw 18 is screwedly arranged in the support frame 17, the lead screw 18 is rotatably connected with the sliding plate 19, the end of the lead screw 18 away from the sliding plate 19 is fixedly connected with a hand wheel, the support frame 17 is provided with a third connecting plate 21 on both sides through bolt connection, the third connecting plate 21 is provided with a waist-shaped hole on both sides, the bolt can be quickly arranged on the waist-shaped hole to install the support frame 17 on the case opening machine.

[0029] When the cigarette case of different sizes needs to be opened, the hand wheel is rotated, the hand wheel drives the lead screw 18 to rotate, the lead screw 18 drives the sliding plate 19 to slide up and down, the sliding plate 19 drives the lower knife holder 1, the upper knife holder 5 and the blade 3 to slide up and down through the second connecting plate 20, so as to adjust the height of the blade 3, so that the device can cut the cigarette case of different sizes.

[0030] Although the utility model has been described with reference to the example embodiment, it should be understood that the utility model is not limited to the disclosed example embodiment. The scope of the following claims should be given the broadest interpretation so as to encompass all variations and equivalent structures and functions.

Claims

1. A tobacco logistics sorting equipment unpacking machine without cushion knife holder device, including lower knife holder (1), blade (3), upper knife holder (5), protrusion (501) and fixing bolt (6), the upper part of lower knife holder (1) is provided with installation slot (2), the installation slot (2) is provided with blade (3), the top of lower knife holder (1) is provided with upper knife holder (5), the side of upper knife holder (5) close to lower knife holder (1) is fixedly connected with protrusion (501), and the protrusion (501) is connected with installation slot (2). Two threaded holes (4) are formed in lower knife holder (1) and upper knife holder (5), the threaded hole (4) of upper knife holder (5) is screwed with fixing bolt (6), and the threaded hole (4) adjacent to lower knife holder (1) is screwed with fixing bolt (6), characterized in that: The utility model also includes a slider (8), a screw rod (9) and a push rod (10), the blade (3) is provided with a limiting hole (11), the lower tool rest (1) is provided with a sliding groove (7), the sliding groove (7) is below the mounting groove (2), the sliding groove (7) is slidably provided with the slider (8), the slider (8) is fixedly connected with the push rod (10), the push rod (10) is connected with the limiting hole (11), the sliding groove (7) is rotatably provided with the screw rod (9), and the screw rod (9) is threadedly connected with the slider (8).

2. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 1, characterized in that: The utility model also includes a first connecting plate (12), a baffle (13), a fixed plate (14), a guide rod (15) and an elastic element (16), the lower tool rest (1) bottom is fixedly connected with the first connecting plate (12), the baffle (13) is provided with a containing groove, and the lower tool rest (1) and the upper tool rest (5) slide in the containing groove of baffle (13), the baffle (13) one side is fixedly connected with the fixed plate (14), the first connecting plate (12) one side is fixedly connected with two guide rods (15), and the guide rod (15) slides on the fixed plate (14), and the first connecting plate (12) is connected with two elastic elements (16) between the fixed plate (14).

3. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 2, characterized in that: The utility model also includes a support frame (17), a lead screw (18), a sliding plate (19) and a second connecting plate (20), the baffle (13) both sides are equipped with the second connecting plate (20), and the second connecting plate (20) between the two is equipped with the sliding plate (19), and the sliding plate (19) slides in the support frame (17), and the support frame (17) is threadedly provided with the lead screw (18), and the lead screw (18) is rotatably connected with the sliding plate (19).

4. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 3, characterized in that: The utility model also includes a third connecting plate (21), and the support frame (17) both sides are equipped with the third connecting plate (21).

5. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 4, characterized in that: The third connecting plate (21) both sides are provided with a waist type hole.

6. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 5, characterized in that: The support frame (17) both sides in the inside are provided with the protrusion, the sliding plate (19) both sides are provided with the clamping groove, and the protrusion on the support frame (17) is slidably connected with the clamping groove on the sliding plate (19).

7. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 6, characterized in that: The mounting groove (2) top both sides and the push rod (10) top are provided with chamfers.

8. A padless knife carrier assembly for a tobacco stream sorting equipment case opener according to claim 7, characterized in that: The lead screw (18) is fixedly connected with a hand wheel away from the sliding plate (19).

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